Valve.



No. 644,586. Patented Mar. 6, |900. L. C. EISENHUT.

v ALvE. (Application filed Oct. 31, 189B.) (No Model.)

PATENT smc LAURENSE C. EISENHUT, OF NEW YORK, N. Y.

VALVE.

SPECIFICATION forming part of Letters Patent No. 644,586, dated March 6,1900.

Application filed October 31, 1898. Serial No.695,027. (No model.)

.To tZZ whom it may concern.-

Beit known that I, LAURENSE C. EISENHUT, a citizen of the United States, residing in the city of New York, borough of Brooklyn, in the county of Kings and State of New York, have invented certain new and useful Improvements in Valves; and l do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

This invention relates to valves, and particularly to those used in connection with vacuum pumps or similar apparatus; and one of the objects of the invention is to produce a valve of this general character which is simple in construction and at the same time positive and effective in operation.

A further object of the invention is to provide a valve having automatic action and one wherein the tension or force of the valve can be regulated or adj usted.

Still another object is to provide means whereby the tension or force of the valve can be accurately adj usted from the outside of the valve proper without interrupting the action of the valve or disconnecting or removing the parts of the valve or other apparatus.

With these and other objects in view the invention consists, essentially,in the construction, combination, and arrangement of parts, substantially as hereinafter more fully described in the following specification and illustrated in the accompanying drawings, in Which- Figure l is a side elevation of my improved valve,showin g the adjacent parts in longitudinal section. Fig. 2 is a top plan view of the same. Fig. 3 is a View similar to Fig. 1 of a modified form of construction. Fig. 4 is a top plan view of the same. Fig. 5 illustrates the valve in operative position. Figs. 6 and 7 represent details of construction. Y Y

Similar characters of reference designate corresponding parts throughout the several views.

Referring to the drawings, and particularly to the construction illustrated in Figs. 1 and 2 thereof, the reference character l designates a casting or sleeve having laterally-extending end flanges 2 and 3, respectively provided with openings 1i, through which pass attachin g bolts or screws to secure said sleeve in position, and, if preferred, the flan ge 2 maybe provided with strengthening-ribs 5 of any desired form or construction. The lower oriiice of said sleeve is preferably provided with interior screw-threads to detachably engage the exterior screw-threads upon the collar 0, preferably provided with diametrically-opposite interior ribs or lugs 7 and said sleeve is preferably provided with an annular interior rib or extension 8, formed on or connected with the same adjacent to the screw-threaded end thereof, or a plurality of interior lugs may be employed instead of the annular rib or extension before described. Within the end of said sleeve and resting against said rib 8 is detachably secured a circular frame or spider 9, preferably constructed in two parts or halves and having a central bore 10, adapted to receive a rod orshaft 11, provided with a longitudinal recess or groove 12, and suitably mounted on the rod ll is a spool 13, having interior screw-threads adapted to enter screw-threads in the rod 1l, and the spool 13 is also provided with an annular end flange 14, constructed to move in the annular chamber 15 in the spider 9, and the spool 13 is preferably provided with a bevel gear or pinion 16.

Mounted or journaled in a suitable bearing in a tubular projection 17 of the sleeve lis a shaft 18, preferably provided with a handwheel 19 to provide for the rotation of said shaft, and upon said'projection is secured a nut or collar 20, and the shaft 18 is preferably provided with a cylindrical tongue to enter the groove 12 in the rod 11 when the former is brought into registering position therewith by the rotation of said rod, and thereby prevent the reverse rotation of the rod 11 when it is desired to retain the same in a iixedposition.

Removably mounted upon the inner end of the shaft 18 is a bevel gear or pinion 21, having a tubular shank 22, adapted to be connected to said shaft by means of a pin 28 or other device, and the bevel gears or pinions 16 and 21 are adapted to mesh or engage, so that by turning the hand-wheel 19 the spool 13 on the rod 11 will be rotated and the tension of IOO the spring 2l, connected at one end to said spool 13 on the rod, can be regulated by the elevation or depression of the rod ll, thereby contracting or expanding the spring.

XVithin the recessed end of the sleeve l is secured a circular disk or plate 25, preferably havinga supporting and attaching flange or rim 26 and a depending tubular extension 27, the orifice of which is preferably inwardly beveled to form a seat for the valve 2S, carrying a shank 29, connected with one end of the spring 2l, preferably as shown in the drawings; but any other suitable manner of connecting the ends of the spring 24 to the rod ll and shank 29 maybe employed. The valve 28 is preferably provided with a projection 30 to receive a screw 3l, passing through the disk 25, preferably having a skeleton or frame-like central portion, and by means of this construction the distance the valve 28 will be opened by the spring 2i can be exactly adj usted or regulated from outside of the valve.

The operation of the invention will be readily understood from the foregoing description when taken in connection with the accompanyihg drawings and the following explanation thereof.

The vacuum-pump is first put into operation and the air above the valve is partially exhausted, causing the valve to close; but by means of the hand-wheel, as before described, and intermediate parts the tension of the spring 2a can be so accurately adjusted that the approximate degree of vacuum in the pipes, 0r other apparatus with which the valve is connected, can be regulated, and when the vacuum exceeds a predetermined degree the valve will close and cut off the pipes, or other apparatus, from the vacuum pump, thus constantly maintaining a certain degree of vacuum therein.

In Figs. 3 and fl of the drawings I have illustrated a modified forni of the construction hereinbefore shown and described wherein the expansive instead of the contractive force of the spring is employed to actuate the valve; but the general character of the construction is the same. In this construction I employ a sleeve or casting 40, having a flanged collar 4l, secured in one end thereof by means of a skeleton or frame-like disk 42, carrying an adjusting-screw 4.3 to regulate the downward movement of the valve, and the valve i4 is slidably mounted in ways in the collar 4l and is provided with a hollow shank to receive the stem of the disk 45, upon which the spring 46 bears. A skeleton disk or spider 47 is secured upon an annular iiange 48 in the sleeve or casting 40, and mounted in said disk is a spool 49, carrying a bevel gear or pinion 50, and through said spool passes a rod 5l, having screwthreaded connection therewith, provided with a disk or plate 52, adapted to receive one end of the spring 46, as clearly shown in the drawings. Mounted in the sleeve t0 is a shaft 53, carrying a bevel gear or pinion 54, adapted to mesh with the pinion 50 to rotate on the rod 5l and to compress said spring and unseat said sleeve. The operation of this construction will be readily understood from the foregoing description thereof, and further explanation of the same will not be required.

I do not confine myself to the construction, combination, and arrangement of parts herein shown and described, and I reserve the right to make all such changes in and modifications of the same as come within the spirit and scope of my invention.

The application of my invention is not limited to use with vacuum-pumps to regulate automatically the degree of vacuum in a system of pipes or other apparatus, and the same may be applied wherever desired.

Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

I. A valve provided with a casinga rotatable portion mounted in said casing, a resilient device engaging said valve vand portion and an independent device out of alinement with said portions, constructed to engage and rotate the same.

2. A valve provided with a casing, a pinion mounted within said casing, a resilient device connected with said valve and pinion and means for operating said pinion.

3. A valve provided with a casing, a pinion mounted within said casing, a resilient device connected with said valve and pinion and a shaft carrying a pinion to drive the former pinion. c

et. A valve connected with an independ ently-mounted rod or shaft by a resilient device, said shaft carrying a pinion, and means for driving said pinion.

5. A valve connected with an independently-mounted rod or shaft by a resilient device, said rod or shaft carrying a pinion, and an eXteriorly-mounted shaft provided with a pinion to drive the first-mentioned pinion.

6. A valve connected with an independently-mounted rod or shaft bya resilient de'- vice, a device to prevent the rotation while permitting of the longitudinal movement 0f said shaft and means for moving said rod.

7. A valve provided with a rod or shaft, a resilient device engaging said valve and rod and means for moving said rod longitudinally and carrying a device engaging the same to prevent the rotation of said rod.

8. A valve provided with a casing, a longitudinal rod or shaft mounted therein carrying a pinion, a resilient device between said valve and shaft, and means engaging said pinion to expand or contract said device from the outside of said casing.

9. A valve provided with a casing, a longitudinal shaft or rod mounted therein carryin g a pinion, a resilient device between said valve and rod, a horizontal shaft carrying a pinion to drive the former pinion to elevate or depress said rod.

l0. A valve connected with a longitudinal ICO IIO

rod or shaft by a resilient devioe and a horil zontai shaft engaging said rod to prevent the rotation thereof by said device.

11. A valve provided with a longitudinal rod or shaft having a groove, and a horizontal shaft carryin g a tongue or proj eetion oonstrueted to enter said groove to prevent the rotation of said rod While permitting the 1onengaging said rod and valve, means for adj listing the opening of the valve and means for reciprocating said rod and carrying a device engaging the same to prevent the rotation thereof.

In Witness whereof I have affixed my signature in the presence of two Witnesses.

L. C. EISENHUT.

gitudinai movement thereof. Witnesses:

12. A valve provided with an independ- CHARLES S. ROGERS,. ently-mounted rod or shaft, aresiiient device M. L. SHAY. 

